Table 3.

The effect of TFI and socioclinical factors on perceptions of health

Variable		Multivariate analysis*				Univariate analysis
		Correlation coefficient		p**
Regression parameter	95% CI		p	Regression parameter	95% CI
Physical components		−0.28	−0.428	−0.132	<0.001	−0.545		<0.001
Psychological components		−0.023	−0.267	0.222	0.853	0.014		0.888
Social components		−0.047	−0.322	0.227	0.732	−0.15		0.136
Age		0.011	−0.013	0.036	0.369	−0.138		0.172
Number of hospitalizations in the last year		−0.042	−0.215	0.131	0.631	−0.207		0.038
Illness duration		−0.015	−0.042	0.013	0.288	−0.264		0.008
TFI	No frailty	Ref. item				3.25 (0.79)	3 (3–4)	0.001
Frailty	0.154	−0.53	0.838	0.656	2.42 (0.95)	2 (2–3)
Gender	Male	Ref. item				2.75 (1.01)	3 (2–4)	0.026
Female	−0.25	−0.655	0.155	0.224	2.33 (0.87)	2 (2–3)

Notes: *Adjusted to marital status, education, professional status, place of residence, comorbidities, medication, smoking. **Mann-Whitney test/Kruskal-Wallis test.

Abbreviations: TFI, Tilburg Frailty Indicator; SD, standard deviation; CI, confidence interval; ref., referral.